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68
RESULTS

Media Type
68
texts
Topics & Subjects
37
Paleontology
23
Botany
23
Geology
12
Birds
11
Mines and mineral resources
11
Natural history
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Collection
51
American Libraries
33
Biodiversity Heritage Library
9
Canadian Libraries
7
Harvard University
7
Ernst Mayr Library, Harvard University Museum of Comparative Zoology
6
California Digital Library
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Creator
24
hall, james, 1811-1898
11
united states geological exploration of the fortieth parallel (1867-1881)
5
united states. army. corps of topographical engineers
4
iowa geological survey
4
salter, john william, 1820-1869
3
stansbury, howard
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Language
68
English
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